add placeholder text
Fixed bug and added tests
Uglify
Made suggested changes.

* Move logic to taBind
* Passthrough the placeholder on textAngular
* Reformat spaces to tabs
Changed from spaces to tabs and from 2 to 4 spaces
Add a cleanup for the coverage package, otherwise it errors once you've tried to run too many.
Some more bug fixes.
Merge branch '95-add-placeholder-text' of git://github.com/ztbrown/textAngular into 1.2.0 #95